Find the average of all numbers from 1 to 100 that end in 2.

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Find the average of all numbers from 1 to 100 that end in 2.
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Find the average of all numbers from 1 to 100 that end in 2.
Find the average of all numbers from 1 to 100 that end in 2.

Find the average of all numbers from 1 to 100 that end in 2.
此句话的意思是:求出1--100之间以2结尾的所有数字的平均数.
即:The average =(12+22+32+42+52+62+72+82+92)/9=52
答案是:52

发现所有1到100数字的平均数最终都是2